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Acurus 2007 Power Amp

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by dicriaforit1970 2020. 1. 24. 18:05

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Acurus 2007 Power Amp
  1. Buy Acurus A2007 7-Channel THX Ultra2 Certified Power Amplifier: Electronics - Amazon.com FREE DELIVERY possible on eligible purchases.
  2. Looks like Acurus decided to place the bulk of the cost into building an oversized chassis. I eventually replaced all the power supply caps with longer life/high heat specifications as well as 20 resistors. The repair cost me a total of $200 for two amps. Not the most transparent amp, but if you need a 3 channel this can save you some space.
  1. Acurus 2007 Power Amp Reviews
  2. Amp Power Amplifier

Weakness:Poor sound quality for music.unrefined. Moderate reliability. Crosstalk on all models but not terrible and may not be noticeable except for those who are sensitive. Prone to overheating. Old design means it will be expensive to repair and almost every unit needs service for bias drift and at least a partial re-cap. Better sounding and cheaper 80’s amplifiers are available from Adcom, Denon, Sony, Hafler and almost every British company. Chassis is unrefined and has sharp corners.bad for pets.

Looks like Acurus decided to place the bulk of the cost into building an oversized chassis. I eventually replaced all the power supply caps with longer life/high heat specifications as well as 20 resistors. The repair cost me a total of $200 for two amps. Not the most transparent amp, but if you need a 3 channel this can save you some space.

Weakness:Poor sound quality for music.unrefined. Moderate reliability.

Crosstalk on all models but not terrible and may not be noticeable except for those who are sensitive. Prone to overheating. Old design means it will be expensive to repair and almost every unit needs service for bias drift and at least a partial re-cap. Better sounding and cheaper 80’s amplifiers are available from Adcom, Denon, Sony, Hafler and almost every British company. Chassis is unrefined and has sharp corners.bad for pets. Bought this one off eBay for my home theater system.

I guess I should have set my expectations lower. Looks can be deceiving.

Looks like a tank, but it's not. Sound is a little coarse.

If you find one in good condition physically, expect noise and a little distort compared to other similarly priced amps like Adcom. After servicing these are ok but make sure your repair shop is using good parts from Japan, Taiwan, or Europe. The bipolar transistors are no longer made so it's a hassle to fix.

Good news is, there are much more durable and better sounding bipolar substitutes if your repair guy is up to the task.If I could do it again, I would just go higher end and get a used Krell, Threshold, Mark Levinson, etc. It would have cost only a little more and I wouldn't have to go through the hassle of servicing. Bought this one off eBay for my home theater system. I guess I should have set my expectations lower. Looks can be deceiving. Looks like a tank, but it's not. Sound is a little coarse.

If you find one in good condition physically, expect noise and a little distort compared to other similarly priced amps like Adcom. After servicing these are ok but make sure your repair shop is using good parts from Japan, Taiwan, or Europe. The bipolar transistors are no longer made so it's a hassle to fix. Good news is, there are much more durable and better sounding bipolar substitutes if your repair guy is up to the task.If I could do it again, I would just go higher end and get a used Krell, Threshold, Mark Levinson, etc.

Acurus 2007 Power Amp Reviews

It would have cost only a little more and I wouldn't have to go through the hassle of servicing. There were at least two models of this Amp.

Amp Power Amplifier

Acurus l10 preamp

You can determine the model by faceplate and serial number. The components in the newer model are much improved but unfortunately both are utter and complete guano. I recently bought a broken unit to cannibalize parts for repair. There are much better sounding vintage amps like the Adcom 200 watt amps and the rare 100 watt Hafler and McCormick amps. Heck, this thing is basically a PA amp in sound quality but without the reliability and speaker protection.

There were at least two models of this Amp. You can determine the model by faceplate and serial number. The components in the newer model are much improved but unfortunately both are utter and complete guano. I recently bought a broken unit to cannibalize parts for repair.

There are much better sounding vintage amps like the Adcom 200 watt amps and the rare 100 watt Hafler and McCormick amps. Heck, this thing is basically a PA amp in sound quality but without the reliability and speaker protection. Bought two of these new almost 15 years ago but have only used these for the past two. Good home theater amps while they worked, but like many other people have found.these are unreliable. Mine blew fuses and the bias drifted quite a bit. Didn't have time to fix it myself so had a service tech check it out. The parts he pulled from this amp are poor quality to say the least.

Looks like Acurus decided to place the bulk of the cost into building an oversized chassis.I eventually replaced all the power supply caps with longer life/high heat specifications as well as 20 resistors. The repair cost me a total of $200 for two amps.Not the most transparent amp, but if you need a 3 channel this can save you some space and money. The Acurus 2 channel A200/A250 amps sound worlds better and have less distortion if you only need 2 channels. Of course this would only apply to the used amps. The current Acurus products are an entirely different beast.

Acurus

Bought two of these new almost 15 years ago but have only used these for the past two. Good home theater amps while they worked, but like many other people have found.these are unreliable. Mine blew fuses and the bias drifted quite a bit. Didn't have time to fix it myself so had a service tech check it out. The parts he pulled from this amp are poor quality to say the least.

Looks like Acurus decided to place the bulk of the cost into building an oversized chassis.I eventually replaced all the power supply caps with longer life/high heat specifications as well as 20 resistors. The repair cost me a total of $200 for two amps.Not the most transparent amp, but if you need a 3 channel this can save you some space and money. The Acurus 2 channel A200/A250 amps sound worlds better and have less distortion if you only need 2 channels. Of course this would only apply to the used amps. The current Acurus products are an entirely different beast. I bought this new right near the time Acurus was restructuring its business. Build quality was ok but I never really liked the aggressive Acurus sound.

Not very balanced at all. What is unforgivable in a hifi amp is crosstalk between the 3 chanels. Plus it runs hotter than I would like. This isn't particular to my unit either.

I have a two channel Acurus with the same problems. Also the original transistors are no longer made e.g. But maybe thats nit picking. I was able to find replacement transistor for $25 which were of higher quality and better sonically.

Amp

I bought this new right near the time Acurus was restructuring its business. Build quality was ok but I never really liked the aggressive Acurus sound. Not very balanced at all. What is unforgivable in a hifi amp is crosstalk between the 3 chanels. Plus it runs hotter than I would like. This isn't particular to my unit either. I have a two channel Acurus with the same problems.

Also the original transistors are no longer made e.g. But maybe thats nit picking. I was able to find replacement transistor for $25 which were of higher quality and better sonically.

Acurus 2007 Power Amp